Understanding the Logical Functions IIF and Choose in SQL Server 2022


Introduction

In SQL Server 2022, developers often need to implement conditional logic within their queries. Whether it’s selecting specific values or performing complex checks, SQL Server offers several functions that simplify these tasks. Among them, the CHOOSE and IIF functions stand out as practical tools for streamlining conditional logic. These functions enable developers to write more concise, readable, and efficient SQL queries.

In this article, we will explore how to use CHOOSE and IIF in SQL Server 2022, with practical examples and use cases that demonstrate their syntax and real-world applications.

The Common Challenge: Complex Conditional Logic in SQL

When